Dances with Dirt - Gnaw Bone 50 km Ultra

Race completed

50 km Distance

1,600 m Climbing

4.9 Grit · Challenging

39.2073° N, 86.2511° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 32 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Field size ~83 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 23°C

Night low 12°C

Rainfall Showers likely

Daylight 14 h 19 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 212 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	83	Caleb Chapman · 04:52:31	Heather Proft · 06:10:47
2025	50km	86	Sammy Passell · 04:57:05	Kelsey Puckett · 05:54:46
2024	50km	50	Ryan Tomlinson · 04:35:22	Emily Wagoner · 05:36:23
2022	50km	87	Odin Bules · 04:36:33	Mika Thewes · 04:51:35
2021	50km	72	Ryan Mittwede · 05:22:06	Anna Reibs · 05:51:23
2019	50km	107	Micah Aldrich · 04:21:50	Adria Betz · 06:12:21
2018	50km	113	Justin Schott · 05:10:12	Maya Wilson · 05:13:44
2017	50km	103	Scott Breeden · 04:19:50	Mary Cooper · 06:42:05
2016	50km	109	Josh Elliott · 05:07:17	Ashley Haynes · 06:25:22
2015	50km	145	David Polley · 04:50:54	Giesla Potter · 05:29:00

The field has held steady: 86 in 2025, 83 in 2026. 17% of the 2026 field were women.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail with 1,600 m of ascent.

Trail Running Shoes 32 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,600 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Maurten